linux-kernel - Re: [PATCH v6 1/8] dt-bindings: pwm: allwinner: Add H6 PWM description

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Date:   Mon, 18 Nov 2019 13:42:48 +0100
From:   Clément Péron <peron.clem@...il.com>
To:     Maxime Ripard <mripard@...nel.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <pza@...gutronix.de>, linux-pwm@...r.kernel.org,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v6 1/8] dt-bindings: pwm: allwinner: Add H6 PWM description

Hi Maxime

On Mon, 18 Nov 2019 at 12:06, Maxime Ripard <mripard@...nel.org> wrote:
>
> Hi,
>
> On Mon, Nov 18, 2019 at 12:00:27PM +0100, Clément Péron wrote:
> > From: Jernej Skrabec <jernej.skrabec@...l.net>
> >
> > H6 PWM block is basically the same as A20 PWM, except that it also has
> > bus clock and reset line which needs to be handled accordingly.
> >
> > Expand Allwinner PWM binding with H6 PWM specifics.
> >
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> > Reviewed-by: Rob Herring <robh@...nel.org>
> > Signed-off-by: Clément Péron <peron.clem@...il.com>
> > ---
> >  .../bindings/pwm/allwinner,sun4i-a10-pwm.yaml | 48 +++++++++++++++++++
> >  1 file changed, 48 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> > index 0ac52f83a58c..1bae446febbb 100644
> > --- a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> > +++ b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> > @@ -30,13 +30,51 @@ properties:
> >        - items:
> >            - const: allwinner,sun50i-h5-pwm
> >            - const: allwinner,sun5i-a13-pwm
> > +      - const: allwinner,sun50i-h6-pwm
> >
> >    reg:
> >      maxItems: 1
> >
> >    clocks:
> > +    minItems: 1
> > +    maxItems: 2
> > +    items:
> > +      - description: Module Clock
> > +      - description: Bus Clock
> > +
> > +  # Even though it only applies to subschemas under the conditionals,
> > +  # not listing them here will trigger a warning because of the
> > +  # additionalsProperties set to false.
> > +  clock-names: true
> > +
> > +  resets:
> >      maxItems: 1
> >
> > +  if:
> > +    properties:
> > +      compatible:
> > +        contains:
> > +          const: allwinner,sun50i-h6-pwm
> > +
> > +  then:
> > +    properties:
> > +      clocks:
> > +        maxItems: 2
> > +
> > +      clock-names:
> > +        items:
> > +          - const: mod
> > +          - const: bus
> > +
> > +    required:
> > +      - clock-names
> > +      - resets
> > +
> > +  else:
> > +    properties:
> > +      clocks:
> > +        maxItems: 1
> > +
>
> Sorry for not noticing this earlier, but this should be at the topmost
> level

No problem, but I don't get what you want, (yaml format is new for me).
Do you mean I should put the if condition before the "resets" ?

Regards,
Clément

>
> Maxime